FactsDifficult clinical exam because of extent of trauma to face, orbit and head.CT improves ability to assess ocular trauma.

CT Findings of Globe Injuries

Scleral deformity -- most common (75% - 95% of cases)

Abnormal anterior chamber depth (deep / shallow / flat) -- second most common (48% - 86%)-- an area that needs to be scrutinized on reviewing orbital trauma CT. Highest interobserver variability occurred in the diagnosis of this finding.

Abnormal lens (dislocated / absent) -- third most common (65% - 83%)

Vitreous hemorrhage

Intraocular foreign body / air

How Good Is CT?Sensitivity 75% (better if exclude isolated corneal injury)Specificity 93%False negatives may occur in patients with isolated corneal lacerationsFalse positives (1% - 5% of cases) may occur in patients with a foreign body that appears to penetrate the eye wall, or with mild scleral deformity.

RiTradiology.com is curated and owned by Rathachai Kaewlai, MD. Advertising is not accepted. "RiTradiology.com", the RiTradiology.com logo are all Trademarks of Rathachai Kaewlai, MD. Your personal information remains confidential and is not sold, leased, or given to any third party be they reliable or not. The information contained in RiTradiology.com is not a substitute for the medical care and advice of your physician. There may be variations in treatment that your physician may recommend based on individual facts and circumstances. View full "Disclaimer and Terms of Use Agreement".